You're truly never too young or too old to protect your heart. "The buildup of plaque in your arteries can silently start as early as your late teens and early 20s," explains Jennifer H. Mieres, M.D., professor of cardiology and population health and senior vice president, office of community and public health, at the North Shore-LIJ health system. Lower your odds of developing heart disease by keeping an eye on these key factors and lifestyle habits in your 30s, 40s, 50s, and beyond.

Having trouble sticking to a workout routine? Don't give up! Research suggests that it takes 66 days—not just a week or two—for exercise to feel automatic. Our fitness pros offer six simple strategies to keep you moving in the meantime.